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All Journal Jurnal Ilmu Fisika
Mohamad Nazri Abdul Halif
Institute of Engineering Mathematics, Faculty of Applied Science and Humanities, Universiti Malaysia Perlis (UNIMAP) Pauh Putra Campus, 02600, Arau, Perlis, Malaysia
Astronomy Earth & Planetary Sciences Materials Science & Nanotechnology Physics

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An Exact Solution of Nonlinear Schrödinger Equation in a Lossy Fiber System Using Direct Solution Method Zulfi Abdullah; Trengginas Eka Putra Sutantyo; Mahdhivan Syafwan; Ahmad Ripai; Hanifah Azzaura Musyayyadah; Mohamad Nazri Abdul Halif
Jurnal Ilmu Fisika Vol 15 No 1 (2023): March 2023
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jif.15.1.13-21.2023

Abstract

We present an exact solution of the nonlinear Schrödinger equation (NLSE) for beam propagation in nonlinear fiber optics. It is a lossy fiber system with the beam as solitons. Fiber losses are understood to reduce the peak power of solitons along the fiber length. That is due to its value depending on the fiber attenuation constant of α. Considering fiber loss features on the equation, we write one set modification of the NLSE and make models the main topic of our work. We solved the model and found a straightforward analytical solution of modified NLSE for the system via the direct solution method. To the best of our knowledge, no literature has presented such as solution yet. By substituting them into equations, we validate solutions. It is valid as an exact solution to the NLSE. Lastly, we found a solution offering soliton propagation suitable for the system under study.
Co-Authors Ahmad Ripai Hanifah Azzaura Musyayyadah Syafwan, Mahdhivan Trengginas Eka Putra Sutantyo Zulfi Abdullah